One-piece paper container



Oct. 23, 1951 J. NORDEN 2,572,655

ONE-PIECE PAPER CONTAINER Filed April 19, 1950 2 SHEETS-SHEET 1 E INVENTOR. V 1 BY 5515 NO/QDE/V 4 Tme/va Patented Oct. 23, 1951 UNITED STATESPATENT OFFICE ONE-PIECE PAPER CONTAINER Jesse Norden, Kew Gardens, N. Y.Application April 19, 1950, Serial No. 156,827

4 Claims. (Cl. 229-16) This invention comprehends an improvement in theone piece paper container constituting the subject matter of my PatentNo. 2,468,306, dated April 26, 1949. The improvement is high lighted bythe provision of novel means for re-inforcing the vertical and basecomers of the container in such manner as to more eflectively resistrough usage.

I achieve this result by bevelling the vertical corners of thecontainer--rectangular in cross sectionand thus providing surplus paperfor the flaps which are folded around the upright sides of the containerto present multiply vertical corners, as well as, a tab for re-inforcingthe bases of the corners.

In the drawings:

Figure 1 is a perspective view of the sheet after it has been subjectedto two double foldings at right angles to each therthe position of theflaps after subsequent flexing being shown by dotted lines;

Fig. 2 is a top plan showing the shape of the components after they havereceived a preliminary upward folding and the corners have been suitablybevelled;

Fig. 3 is an enlarged, fragmentary top plan of one of the corners withan adjacent fiap;

Figs. 4 and 5 are enlarged detail views showing the base corner tab andthe manner of tucking it between the flap and one corner, and

Fig. 6 is a side elevation of the complete container.

The preliminary steps in forming the container up to and including Fig.4 of the drawings are precisely as described in my aforesaid patent seespecification, column 2, lines 32 through 55 and column 3. lines 1through 19and for the sake of clarity the same reference numerals areemployed to indicate corresponding parts.

Instead of having only a single thickness of material at the junction ofthe vertical side walls 26 and the radial flaps 2|, 22, 23 and 24, asillustrated in Figure 5 of my patent-a definite weaknessI bevel thecorners longitudinally, see Figure 2, at 21, 28, 29 and 30. In this way,I gain surplus material over the sharp 90 degree angle corners whichobtained in my previous disclosure, and when this additionalmaterial-virtually becoming part of the flaps-is trained about thevertical walls 26 it augments the plies to three, 3|, 32 and 33, wherethere was only one before.

Obviously, in the operation of bevelling the longitudinal corners, thecorners of the bottom 34 must be included, and this results in theformation of a small tab 35-best seen in Figs. 4 and which makes fortrue multiply construction throughout, and which for conventional use ispractically invulnerable.

I claim: I

1. An open ended container substantially rectangular in cross section,constructed from a blank of paper or the like having pleats forming amultiply bottom from the central portion of the blank and mutliply sidewalls formed from portions extending vertically and radially of thecentral portion and bevelled multiply corners, the free edges of theblank terminating substantially in a common plane at the open end of thecontainer, and the plies of the bottom, side walls and corners beingsealed together.

2. An open ended container substantially rectangular in cross section,constructed from a blank of paper or the like having pleats forming amultiply bottom from the central portion of the blank and multiply sidewalls formed from portionsextending vertically and radially of thecentral portion, the free edges of the blank terminating substantiallyin a common plane at the open end of the container, the vertical cornersof the container being bevelled and having a multiply thickness, and theplies of the bottom, side walls and corners being sealed together.

3. An open ended container substantiall rectangular in cross section,constructed from a blank of paper or the like having pleats forming amultiply bottom from the central portion of the blank and multiply sideWalls formed from portions extending vertically and radially of thecentral portion, and multiply corners, the free edges of the blankterminating substantially in a common plane at the open end of thecontainer, the base of each corner, adjacent the bottom, being foldedupon itself to present a tab which is inserted between said radially andvertically extending portions, and the plies of the bottom, side wallsand corners, and the tab, being sealed to-. gether.

4. An open ended container substantially rectangular in cross section,constructed from a blank of paper or the like having pleats forming amultiply bottom from the central portion of the blank and multiply sidewalls formed from plies of the bottom. side walls and corners, andportions extending vertically and radially of the the tab, being sealedtogether.

central portion, the free edges of the blank ter- JESSE NORDEN. minatingsubstantially in a common plane at \p the open end of the container. thevertical cor- R FE ENCES CITED c nets M the being bevelled and having aThe following references are of record in the multiply thickness, thebase of each corner, adm of this patent;

Jacent thebottom, being folded upon itself to present a tab which isinserted between said ra UNITED sTltTEs PATENTS dially and verticallyextending portions, and the m Number Name Date 2,468,306 Norden Apr. 26,1 949 f

